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53557597088 = 253745234457
BaseRepresentation
bin110001111000010010…
…000001001110100000
312010020112001211100222
4301320102001032200
51334141221101323
640334245102212
73604131030632
oct617022011640
9163215054328
1053557597088
112079395a436
12a4683b7968
135086b24668
142841002a52
1515d6d7c9c8
hexc784813a0

53557597088 has 24 divisors (see below), whose sum is σ = 108291292452. Its totient is φ = 26055046656.

The previous prime is 53557597073. The next prime is 53557597099. The reversal of 53557597088 is 88079575535.

It can be written as a sum of positive squares in 2 ways, for example, as 50288959504 + 3268637584 = 224252^2 + 57172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53557597088.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22616045 + ... + 22618412.

Almost surely, 253557597088 is an apocalyptic number.

It is an amenable number.

53557597088 is an abundant number, since it is smaller than the sum of its proper divisors (54733695364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53557597088 is a wasteful number, since it uses less digits than its factorization.

53557597088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45234504 (or 45234496 counting only the distinct ones).

The product of its (nonzero) digits is 52920000, while the sum is 62.

The spelling of 53557597088 in words is "fifty-three billion, five hundred fifty-seven million, five hundred ninety-seven thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1184 45234457 90468914 180937828 361875656 723751312 1447502624 1673674909 3347349818 6694699636 13389399272 26778798544 53557597088